Notion vs Obsidian vs Trello
| Attribute | |||
|---|---|---|---|
| Category | Productivity & Collaboration | Note-taking & Knowledge | Project Management |
| Pricing | Free tier | Free tier | Free tier |
| Starting price | $10 | $4/seat/month | $5/month |
| Free tier | Yes | Yes | Yes |
| Free trial | Yes | No | Yes |
| Deployment | — | Cloud | Cloud |
| API available | Yes | Unknown | Unknown |
| Platforms | — | ios, android, windows, macos, linux | — |
| Certifications | — | — | — |
| Integrations | 18 | 2 | 4 |
| Company | Founded 2013 | Founded 2020 | Founded 2011 |
| Feature attributes | |||
| Sso Saml | ✓ Yes | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown |
| Webhooks | ✓ Yes | — Unknown | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown |
| Docs Editor | — Unknown | — Unknown | — Unknown |
| Real Time Collaboration | ✓ Yes | — Unknown | — Unknown |
| Storage Included | — Unknown | — Unknown | — Unknown |
| Offline Access | — Unknown | — Unknown | — Unknown |
| Templates | ✓ Yes | — Unknown | — Unknown |
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.